Finding the Fourth Proportional to 1,102,651.74, 1,521,696.24 and 619,302.06
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Solution
The fourth proportional to 1,102,651.74, 1,521,696.24 and 619,302.06 is: 854,657.53
Step by Step Solution
- Step 1: Write the proportion equation
1,102,651.74 : 1,521,696.24 = 619,302.06 : x - Step 2: Convert to fraction form
1,102,651.74/1,521,696.24 = 619,302.06/x - Step 3: Cross multiply
1,102,651.74x = 1,521,696.24 × 619,302.06 - Step 4: Simplify right side
1,102,651.74x = 942,389,616,126.26 - Step 5: Solve for x
x = 942,389,616,126.26/1,102,651.74 - Step 6: Final answer
x = 854,657.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.